SmartDoorBell

Raspberry Pi 3 - Smart Doorbell

Introduction:-

Suppose you are sitting at the comforts of your room with your earphones plugged in and someone rings your doorbell , You wont know about it since you have your earphones plugged in . So to tackle this situation of carelessness we came up with a Smart Doorbell . This doorbell would send the notification to your phone whenever it detects a person near it(<20cm) along with the photo of the person.

Materials:-

1)Raspberry Pi 3

2)Ultrasonic Sensor

3)Usb WebCam

4)Jumper Wires

5)BreadBoard

6)Buzzer

Circuit:-

Vcc - 5v

Echo - GPIO23

Trig - GPIO18

Gnd - Ground

Buzzer(Red wire) - GPIO24

Buzzer(Black wire) - Ground

Important :-

1)Create your own bot . If you don't know how to create one refer to the link below:- https://www.instructables.com/id/Set-up-Telegram-Bot-on-Raspberry-Pi/

2)Know your chat id :- 1.Open Telegram app and search "get id" or "@get_id_bot"

                   2.Type "/start" , You will get your chat id

                   3.You can also refer to the video below :-
                     https://www.youtube.com/watch?v=2jdsvSKVXNs

Things to change in the code :-

1)(See Line 50 and 51) Change from the chat-id in the code to your chat-id .

telegram_bot.sendMessage (Chat_id, message)

telegram_bot.sendPhoto(Chat_id,photo=open("imagetest.jpg"))

2)(See line 58) Change from the default_token to your token

telegram_bot = telepot.Bot('default_token')

How to run .py file in Raspberry pi?

1)Open terminal

2)Go to the .py file location

3)Type python file_name.py